2450641621 has 4 divisors (see below), whose sum is σ = 2452552992. Its totient is φ = 2448730252.

The previous prime is 2450641619. The next prime is 2450641631. The reversal of 2450641621 is 1261460542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2450641621 - 2¹ = 2450641619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2450641631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953761 + ... + 956326.

It is an arithmetic number, because the mean of its divisors is an integer number (613138248).

Almost surely, 2^2450641621 is an apocalyptic number.

It is an amenable number.

2450641621 is a deficient number, since it is larger than the sum of its proper divisors (1911371).

2450641621 is a wasteful number, since it uses less digits than its factorization.

2450641621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911370.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2450641621 is about 49503.9556096278. The cubic root of 2450641621 is about 1348.2174224883.

The spelling of 2450641621 in words is "two billion, four hundred fifty million, six hundred forty-one thousand, six hundred twenty-one".